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134481 (1998 VJ54)
Classification: Main-belt Asteroid          SPK-ID: 2134481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713973605662003 1.0925e-07  
a 2.534286078387929 1.0593e-08 au
q 2.099916133632572 2.8105e-07 au
i 13.49441979037069 6.536e-06 deg
node 17.74791069061949 1.2748e-05 deg
peri 6.817584121914332 2.3984e-05 deg
M 189.4629509616587 1.6099e-05 deg
tp 2459898.568637437921
(2022-Nov-15.06863744)
6.858e-05 TDB
period 1473.607705157086
4.03
9.2394e-06
2.53e-08
d
yr
n .2442983968800733 1.5317e-09 deg/d
Q 2.968656023143287 1.2409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1148  
   data-arc span      7933 days (21.72 yr)  
   first obs. used      1998-08-31  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51563  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:08:34  

Additional Information
 Earth MOID = 1.10252 au 
 Jupiter MOID = 2.49744 au 
 T_jup = 3.390 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO459635  
diameter diameter 2.455 km 0.364 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.941 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.321   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134481 (1998 VJ54)          Discovered 1998-Nov-14 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 1998 VJ54 = 2002 TM284 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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